[Today's Sheet Episode 17] Does the square come before the parentheses?

PM on October 12th, the 10 steps for the "Positive and Negative Numbers" drill were completed in the workshop.This is the ...

A must-read for those who struggle with math: Why is "e^(iπ)+1=0" from "The Housekeeper and the Professor" the most beautiful equation in the world?

A mathematician whose memory lasts only 80 minutes.This is the "Professor," the protagonist of Yoko Ogawa's novel, "The ...